[Problem] Provided is a card-containing back cover that has excellent strength and appearance and that a card can be easily inserted into and removed from.[Solving Means] A card-containing back cover configured to be mounted on a back face of a mobile information terminal includes a cover body configured to be mounted on the mobile information terminal and a card-containing pocket disposed on an outer surface of the cover body and configured to be capable of containing a card by sliding the card. A card removal hole is provided in the cover body at a position covered by the card-containing pocket, and the card removal hole is formed such that the card contained in the card-containing pocket can be slid through the card removal hole and removed from the card-containing pocket.